formal or semiformal attire for evening wear.
attire for wearing at a formal occasion during the evening, esp (for men) a dinner jacket and black tie, or (less commonly, for women) a floor-length gown
noun 1. a woman’s formal dress, usually having a floor-length skirt.
noun 1. a North American grosbeak, Coccothraustes vespertina, having yellowish, black, and white plumage.
noun, Anglican Church. 1. (def 1).
noun 1. a plant, Oenothera biennis, having yellow flowers that open at nightfall. 2. any of various plants of the same or related genera. noun 1. any onagraceous plant of the genus Oenothera, native to North America but widely cultivated and naturalized, typically having yellow flowers that open in the evening